OCT., 1890. 



PLANTS. 



157 



Pyrola secunda Tjiiin. 



Decidedly less coinmou than F. picta, but like it found in the Shasta 

 fir forest. 



Pterospora andromedae Xutt. Pinedrops 



Fouud in the dry woods along the border between the Canadian and 

 Transition zones. (Identified by l*rotessor Greene.) 



Pleuricospora fimbriolata Gray. 



Collected at Wagon Camp by Miss Wilkins. (Identified by F. V. 

 Coville.) 



Sarcodes sanguinea Torr. Snow Plant. 



This handsome plant is reported as common on the forested slopes of 

 Shasta at the time of melting' snow in spriny. It probably occurs in 

 both the Canadian and Transition zones. 



Arctostaphylos nevadensis Gray. Dwarf Mountain Manzanita. 



Common in the Canadian and Hudsonian zones, growing in extensive 

 beds a foot or less in height. On the high ridges, among the timber- 

 line Pinus albicatilis, these beds of green cover the pale gray lava 

 rocks, and in the dark forests of Shasta fir they form the only con- 

 spicuous surface vegetation. 



Arctostaphylos patula Greene. Green Manzanita. 



The most abundant and troublesome cbajiarral of Shasta. It is a 

 characteristic Transition zone species and covers the lower slopes all 

 the way around the mountain except a belt about 10 miles wide on tlie 



Fk;. 45. — Manzanita chajjarral. 



northeast base, reaching from Ash Creek to about 3 miles northwest of 

 Inconstance Creek, which is too cold for it and is occupied by Canadian 

 zone species. On the north, west, and south it covers practically the 

 whole of a broad belt several miles in width, reaching from base level 



